my $retval = validate_assembly($assembly_part,$assembly2_part);
ok(!defined $retval, 'assembly 19000 can be child of assembly 20000' );
$assembly2_part->add_assemblies(SL::DB::Assembly->new(parts_id => $assembly_part->id, qty => 3, bom => 1));
$assembly2_part->save;
my $retval = validate_assembly($assembly_part,$assembly2_part);
ok(!defined $retval, 'assembly 19000 can be child of assembly 20000' );
$assembly2_part->add_assemblies(SL::DB::Assembly->new(parts_id => $assembly_part->id, qty => 3, bom => 1));
$assembly2_part->save;